The Repulsion of Flat Body from the Wall of Vibrating Container Filled with Liquid

Козлов, В. Г.; Vlasova, Olga

doi:10.1007/s12217-015-9460-y

Cited by 6 publications

(8 citation statements)

References 8 publications

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“…The increase of frequency (at definite amplitude ) brings to the threshold transition of the body to the suspended state ( Figure 3). A similar effect was observed in experiments with the bodies of lower density [9]. The body position in the center along the container length is unstable.…”

Section: Solid Body Vibrational Suspensionsupporting

confidence: 75%

“…Note that the body edge, which is closer to the container end, rises a little higher than the opposite one during the angular oscillations. This feature of the asymmetrical angular oscillations near the lateral container ends is typical for the flat bodies, both light and heavy [9].…”

Section: Behavior Of Heavy Body Depending On the Relative Densitymentioning

confidence: 65%

“…The container with liquid and solid is fastened to the table of the mechanical vibrator which performs the horizontal translational oscillations according to the law = cos Ω . The description of vibrator is available in [9]. The oscillations frequency = Ω/2 varies from 1 to 25 Hz, and the vibration amplitude varies in the range 1-5 cm.…”

Section: The Methodology and Experimental Setupmentioning

confidence: 99%

“…The forces acting on the flat body in rectangular container which performs longitudinal oscillations in its plane have been considered in [9]. The body differs in density from the liquid and makes the longitudinal oscillations under the action of inertia forces.…”

Section: Introductionmentioning

confidence: 99%

“…It was found that the bodies repulse at a distance comparable with the Stokes layer thickness. In contradistinction to the theory, the bodies in form of parallelepiped of finite length were used in experiments [9]. The body oscillations in suspended state often had irregular character.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Behavior of a Flat Solid in a Container with Liquid Subject to Large Amplitude Vibration

Козлов

Vlasova

2016

Shock and Vibration

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We experimentally study the behavior of a flat body in the oscillating container with liquid. The body density is much more than the density of liquid. The body oscillates with large amplitude under the action of inertia forces. It is found that under the vibration the body lifts up and goes to quasi-steady suspended state at some distance from the container bottom. The lift force is measured by a method of dynamic suspension of a body in the gravity field. It is found that the dimensionless repulsion lift force depends on the dimensionless amplitude of the body oscillations; it reduces with the amplitude and is in agreement with the theoretical model in the limit of small amplitude. Qualitatively new regimes of body behavior are found in the supercritical region. With an increase of the vibration intensity, the body gets a stable state in the middle of the container height and then moves on to the container ceiling.

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Section: Solid Body Vibrational Suspensionsupporting

confidence: 75%

Section: Behavior Of Heavy Body Depending On the Relative Densitymentioning

confidence: 65%

Section: The Methodology and Experimental Setupmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Behavior of a Flat Solid in a Container with Liquid Subject to Large Amplitude Vibration

Козлов

Vlasova

2016

Shock and Vibration

Self Cite

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Oscillatory and Steady Dynamics of a Cylindrical Body Near the Border of Vibrating Cavity Filled with Liquid

Schipitsyn

Козлов

2017

Microgravity Sci. Technol.

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Dynamics of a solid of nearly neutral buoyancy in cavity subjected to rotational vibrations

Schipitsyn

Козлов

2020

Physics of Fluids

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The behavior of a cylindrical body in a horizontal annulus with a longitudinal partition filled with a viscous fluid and subject to high-frequency rotational oscillations is experimentally investigated. The experiments are performed with light and heavy bodies, the density of which is only slightly different from the density of the liquid. The frequency and the amplitude of vibration vary in the experiments. With an increase in the vibration intensity, the repulsion from the boundary and suspension of the light body near the upper boundary of the layer (the heavy one—near the bottom) is found. The repulsion force acts on a solid near the boundary independently from its density. It is shown that vibrational suspension of the body in the gravity field is not associated with inertial oscillations of the body relative to the fluid but is determined by shear oscillations of the liquid itself and viscous interaction of the solid with the cavity boundary.

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The Repulsion of Flat Body from the Wall of Vibrating Container Filled with Liquid

Cited by 6 publications

References 8 publications

Behavior of a Flat Solid in a Container with Liquid Subject to Large Amplitude Vibration

Behavior of a Flat Solid in a Container with Liquid Subject to Large Amplitude Vibration

Oscillatory and Steady Dynamics of a Cylindrical Body Near the Border of Vibrating Cavity Filled with Liquid

Dynamics of a solid of nearly neutral buoyancy in cavity subjected to rotational vibrations

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